A semielliptical arch over a tunnel for a one-way road through a mountain has a major axis of 54 feet and a height at the center of 12 feet. Find an equation of the semielliptical arch.
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A. 
B. 
C. 
D. 
E. 
Answer: C
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For a certain company, the growth rate G in sales, in thousands of dollars per month, depends on current sales s, in thousands of dollars. The relationship is
.
A: Make a graph of G versus s. Include sales of up to 9 thousand dollars.B: What sales give the maximum growth rate in sales? Round your answer to two decimal places, if necessary.C: What is the maximum growth rate? Round your answer to two decimal places, if necessary.
What will be an ideal response?
Use transformations of the graphs of y = x2 or y = |x| to sketch a graph of f by hand.f(x) = 2
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A. 
B. 
C. 
D. 
Answer the question.Determine if 890 is divisible 2, 3, 5.
A. 5 only B. 2 only C. 2, 5 only D. 2, 3, 5
Identify the pairs of complementary or supplementary angles, as indicated.Supplementary
A. ?AOC & ?AOD; ?AOD & ?DOB B. ?COB & ?BOD; ?BOD & ?AOD C. ?AOC & ?AOD; ?AOD & ?DOB; ?DOB & ?COB; ?COB & ?AOC D. ?AOD & ?COB; ?AOC & ?DOB